Asphalt shingle is one of the most widely used roofing covers because they are relatively inexpensive and fairly easy installation. Asphalt shingles will also last a rather long time, which depends on factors like geographic location, roof, underlayment, roof slop, etc. As a professional manufacturer in China, Hongyuan is the foremost enterprise that bring in and pass the double certificate systerm: ISO9001 and ISO14001. Hongyuan is the guarantee of quality.

3) Good choice for roof with slop>20°6. Company Introduction:As a strong and experienced manufacturer, we have the quality system certificate of ISO9001, and environment management system certificate of ISO14001. We hope to build a solid business relationship with you in the long term.